427 citations · 3.4k across the 88 of their papers we have counts for
5 papers · 1 filter
What is the Simplest Linear Ramp?
Suman Das, Sumit K. Garg, Chethan Krishnan +1
We discuss conditions under which a deterministic sequence of real numbers, interpreted as the set of eigenvalues of a Hamiltonian, can exhibit features usually associated to rando…
Towards A Realistic Dipole Cosmology: The Dipole CDM Model
Ehsan Ebrahimian, Chethan Krishnan, Ranjini Mondol +1
Dipole cosmology is the maximally Copernican generalization of the FLRW paradigm that can incorporate bulk flows in the cosmic fluid. In this paper, we first discuss how multiple f…
Soft Hair on Schwarzschild: A Wrinkle in Birkhoff's Theorem
Chethan Krishnan, Jude Pereira
The double null form of the Schwarzschild metric is usually arrived at by demanding Eddington-Finkelstein (EF) conditions at the horizon. This leads to certain logarithmic fall-off…
Charges for Hypertranslations and Hyperrotations
Chethan Krishnan, Jude Pereira
Hypertranslations and hyperrotations are asymptotic symmetries of flat space, on top of the familiar supertranslations and superrotations. They were discovered in arXiv:2205.01422…
Fuzzballs and Random Matrices
Suman Das, Sumit K. Garg, Chethan Krishnan +1
Black holes are believed to have the fast scrambling properties of random matrices. If the fuzzball proposal is to be a viable model for quantum black holes, it should reproduce th…